/Engine/Source/Runtime/Experimental/FieldSystem/Source/FieldSystemEngine/Public/Field/FieldSystemComponent.h
ApplyExternalStran This function will dispatch a command to the physics thread to apply a strain field on a clustered set of geometry. This is used to trigger a breaking event within the solver.
void ApplyStrainField ( bool Enabled, FVector Position, float Radius, float Magnitude, int32 Iterations )